Results 31 to 40 of about 15,719 (240)

Wear of Functionally Graded Coatings under Frictional Heating Conditions

open access: yesNanomaterials, 2021
Multilayered and functionally graded coatings are extensively used for protection against wear of the working surfaces of mechanisms and machines subjected to sliding contact.
Vladimir B. Zelentsov   +2 more
doaj   +1 more source

Asymptotic Expansions of The Traces of the Thermoelastic Operators [PDF]

open access: yesarXiv, 2022
We obtain the asymptotic expansions of the traces of the thermoelastic operators with the Dirichlet and Neumann boundary conditions on a Riemannian manifold, and give an effective method to calculate all the coefficients of the asymptotic expansions. These coefficients provide precise geometric information.
arxiv  

Generalizing odd elasticity theory to odd thermoelasticity for planar materials [PDF]

open access: yes, 2023
We generalize the odd elasticity of planar materials to thermoelasticity, admitting spatially inhomogeneous properties. First, we show that for active systems breaking Onsager relations thermal evolution is given by an odd generalization of the Maxwell-Cattaneo relation.
arxiv   +1 more source

Dynamics of a thermoelastic-laminated beam problem

open access: yesAIMS Mathematics, 2020
The main goal of this work is to study the dynamics of a nonlinear thermoelastic laminated beam system with infinite memory acting on the effective rotation angle.
Cyril Dennis Enyi, Soh Edwin Mukiawa
doaj   +1 more source

Approximation and Homogenization of Thermoelastic wave model [PDF]

open access: yesarXiv, 2023
This paper deals with the approximation and homogenization of thermoelastic wave model. First, we study the homogenization problem of a weakly coupled thermoelastic wave model with rapidly varying coefficients, using a semigroup approach, two-scale convergence method and some variational techniques.
arxiv  

Generalized thermoelastic band structures of Rayleigh wave in one-dimensional phononic crystals [PDF]

open access: yesMeccanica. Online first (2017), 2017
We investigate generalized band structures of Rayleigh wave in 1-D phononic crystals in the context of Green-Nagdhi thermoelastic (TE) theory. Solutions of the coupled equations included thermal field are obtained firstly. Then according to boundary conditions, phase velocity is derived.
arxiv   +1 more source

Upconversion Nanoparticle‐Covalent Organic Framework Core–shell Particles as Therapeutic Microrobots Trackable With Optoacoustic Imaging

open access: yesAdvanced Materials, EarlyView.
Upconversion nanoparticle‐covalent organic framework core–shell particles provide enhanced contrast for optoacoustic imaging by leveraging the optical absorption of upconversion luminescence within the covalent organic framework matrix. Beyond their role as contrast agents, these particles enable customizable therapeutic agent loading and release, as ...
Dong Wook Kim   +8 more
wiley   +1 more source

The Geophysical Properties of FeHx Phases Under Inner Core Conditions

open access: yesGeophysical Research Letters, 2023
Hydrogen has been proposed as an important light element in planetary iron cores, while the crystal structure and thermoelasticity of FeHx (x = 1) (FeH hereafter) under inner core conditions remain largely unknown.
Hua Yang   +5 more
doaj   +1 more source

Tumor Diagnosis and Treatment Based on Stimuli‐Responsive Aggregation of Gold Nanoparticles

open access: yesExploration, EarlyView.
This review summarizes the current strategies for inducing gold nanoparticles aggregation and its advances in tumor diagnosis and treatment. The authors hope this review can provide a valuable reference for the further development of AuNPs clinical applications.
Xiaowei Chang, Huaiyu Wang, Xin Chen
wiley   +1 more source

Modified DPL Green–Naghdi theory for thermoelastic vibration of temperature-dependent nanobeams

open access: yesResults in Physics, 2020
A unified multi-dual-phase-lag thermoelasticity theory is presented to study the vibration of a temperature-dependent nanobeam subjected to a ramp-type heating. The nonlocal thermoelasticity theory based on Euler-Bernoulli hypothesis is applied.
Daoud S. Mashat, Ashraf M. Zenkour
doaj  

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